Perry spent
14 of his salary on a toy car. He spent
23 of the remaining salary on a mini-helicopter.
- What fraction of his salary was left?
- If he had left $15, how much salary did Perry have at first?
(a)
Fraction of salary left after spending on a toy car
= 1 -
14=
34Fraction of remaining salary left
= 1 -
23=
13Fraction of his salary left
=
34 x
13=
312(b)
Amount that Perry had at first = 12 u
Amount that Perry had left = 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Total amount that Perry had at first
= 12 u
= 12 x 5
= $60
Answer(s): (a)
312; (b) $60